| #ifndef QEMU_PCI_H |
| #define QEMU_PCI_H |
| |
| #include "exec/memory.h" |
| #include "sysemu/dma.h" |
| |
| /* PCI includes legacy ISA access. */ |
| #include "hw/isa/isa.h" |
| |
| #include "hw/pci/pcie.h" |
| |
| extern bool pci_available; |
| |
| /* PCI bus */ |
| |
| #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) |
| #define PCI_BUS_NUM(x) (((x) >> 8) & 0xff) |
| #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) |
| #define PCI_FUNC(devfn) ((devfn) & 0x07) |
| #define PCI_BUILD_BDF(bus, devfn) ((bus << 8) | (devfn)) |
| #define PCI_BUS_MAX 256 |
| #define PCI_DEVFN_MAX 256 |
| #define PCI_SLOT_MAX 32 |
| #define PCI_FUNC_MAX 8 |
| |
| /* Class, Vendor and Device IDs from Linux's pci_ids.h */ |
| #include "hw/pci/pci_ids.h" |
| |
| /* QEMU-specific Vendor and Device ID definitions */ |
| |
| /* IBM (0x1014) */ |
| #define PCI_DEVICE_ID_IBM_440GX 0x027f |
| #define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff |
| |
| /* Hitachi (0x1054) */ |
| #define PCI_VENDOR_ID_HITACHI 0x1054 |
| #define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e |
| |
| /* Apple (0x106b) */ |
| #define PCI_DEVICE_ID_APPLE_343S1201 0x0010 |
| #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e |
| #define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f |
| #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022 |
| #define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f |
| |
| /* Realtek (0x10ec) */ |
| #define PCI_DEVICE_ID_REALTEK_8029 0x8029 |
| |
| /* Xilinx (0x10ee) */ |
| #define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300 |
| |
| /* Marvell (0x11ab) */ |
| #define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620 |
| |
| /* QEMU/Bochs VGA (0x1234) */ |
| #define PCI_VENDOR_ID_QEMU 0x1234 |
| #define PCI_DEVICE_ID_QEMU_VGA 0x1111 |
| #define PCI_DEVICE_ID_QEMU_IPMI 0x1112 |
| |
| /* VMWare (0x15ad) */ |
| #define PCI_VENDOR_ID_VMWARE 0x15ad |
| #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405 |
| #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710 |
| #define PCI_DEVICE_ID_VMWARE_NET 0x0720 |
| #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730 |
| #define PCI_DEVICE_ID_VMWARE_PVSCSI 0x07C0 |
| #define PCI_DEVICE_ID_VMWARE_IDE 0x1729 |
| #define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07B0 |
| |
| /* Intel (0x8086) */ |
| #define PCI_DEVICE_ID_INTEL_82551IT 0x1209 |
| #define PCI_DEVICE_ID_INTEL_82557 0x1229 |
| #define PCI_DEVICE_ID_INTEL_82801IR 0x2922 |
| |
| /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */ |
| #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4 |
| #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 |
| #define PCI_SUBDEVICE_ID_QEMU 0x1100 |
| |
| #define PCI_DEVICE_ID_VIRTIO_NET 0x1000 |
| #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001 |
| #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002 |
| #define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003 |
| #define PCI_DEVICE_ID_VIRTIO_SCSI 0x1004 |
| #define PCI_DEVICE_ID_VIRTIO_RNG 0x1005 |
| #define PCI_DEVICE_ID_VIRTIO_9P 0x1009 |
| #define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012 |
| #define PCI_DEVICE_ID_VIRTIO_PMEM 0x1013 |
| #define PCI_DEVICE_ID_VIRTIO_IOMMU 0x1014 |
| |
| #define PCI_VENDOR_ID_REDHAT 0x1b36 |
| #define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001 |
| #define PCI_DEVICE_ID_REDHAT_SERIAL 0x0002 |
| #define PCI_DEVICE_ID_REDHAT_SERIAL2 0x0003 |
| #define PCI_DEVICE_ID_REDHAT_SERIAL4 0x0004 |
| #define PCI_DEVICE_ID_REDHAT_TEST 0x0005 |
| #define PCI_DEVICE_ID_REDHAT_ROCKER 0x0006 |
| #define PCI_DEVICE_ID_REDHAT_SDHCI 0x0007 |
| #define PCI_DEVICE_ID_REDHAT_PCIE_HOST 0x0008 |
| #define PCI_DEVICE_ID_REDHAT_PXB 0x0009 |
| #define PCI_DEVICE_ID_REDHAT_BRIDGE_SEAT 0x000a |
| #define PCI_DEVICE_ID_REDHAT_PXB_PCIE 0x000b |
| #define PCI_DEVICE_ID_REDHAT_PCIE_RP 0x000c |
| #define PCI_DEVICE_ID_REDHAT_XHCI 0x000d |
| #define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e |
| #define PCI_DEVICE_ID_REDHAT_MDPY 0x000f |
| #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 |
| |
| #define FMT_PCIBUS PRIx64 |
| |
| typedef uint64_t pcibus_t; |
| |
| struct PCIHostDeviceAddress { |
| unsigned int domain; |
| unsigned int bus; |
| unsigned int slot; |
| unsigned int function; |
| }; |
| |
| typedef void PCIConfigWriteFunc(PCIDevice *pci_dev, |
| uint32_t address, uint32_t data, int len); |
| typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev, |
| uint32_t address, int len); |
| typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num, |
| pcibus_t addr, pcibus_t size, int type); |
| typedef void PCIUnregisterFunc(PCIDevice *pci_dev); |
| |
| typedef struct PCIIORegion { |
| pcibus_t addr; /* current PCI mapping address. -1 means not mapped */ |
| #define PCI_BAR_UNMAPPED (~(pcibus_t)0) |
| pcibus_t size; |
| uint8_t type; |
| MemoryRegion *memory; |
| MemoryRegion *address_space; |
| } PCIIORegion; |
| |
| #define PCI_ROM_SLOT 6 |
| #define PCI_NUM_REGIONS 7 |
| |
| enum { |
| QEMU_PCI_VGA_MEM, |
| QEMU_PCI_VGA_IO_LO, |
| QEMU_PCI_VGA_IO_HI, |
| QEMU_PCI_VGA_NUM_REGIONS, |
| }; |
| |
| #define QEMU_PCI_VGA_MEM_BASE 0xa0000 |
| #define QEMU_PCI_VGA_MEM_SIZE 0x20000 |
| #define QEMU_PCI_VGA_IO_LO_BASE 0x3b0 |
| #define QEMU_PCI_VGA_IO_LO_SIZE 0xc |
| #define QEMU_PCI_VGA_IO_HI_BASE 0x3c0 |
| #define QEMU_PCI_VGA_IO_HI_SIZE 0x20 |
| |
| #include "hw/pci/pci_regs.h" |
| |
| /* PCI HEADER_TYPE */ |
| #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80 |
| |
| /* Size of the standard PCI config header */ |
| #define PCI_CONFIG_HEADER_SIZE 0x40 |
| /* Size of the standard PCI config space */ |
| #define PCI_CONFIG_SPACE_SIZE 0x100 |
| /* Size of the standard PCIe config space: 4KB */ |
| #define PCIE_CONFIG_SPACE_SIZE 0x1000 |
| |
| #define PCI_NUM_PINS 4 /* A-D */ |
| |
| /* Bits in cap_present field. */ |
| enum { |
| QEMU_PCI_CAP_MSI = 0x1, |
| QEMU_PCI_CAP_MSIX = 0x2, |
| QEMU_PCI_CAP_EXPRESS = 0x4, |
| |
| /* multifunction capable device */ |
| #define QEMU_PCI_CAP_MULTIFUNCTION_BITNR 3 |
| QEMU_PCI_CAP_MULTIFUNCTION = (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR), |
| |
| /* command register SERR bit enabled - unused since QEMU v5.0 */ |
| #define QEMU_PCI_CAP_SERR_BITNR 4 |
| QEMU_PCI_CAP_SERR = (1 << QEMU_PCI_CAP_SERR_BITNR), |
| /* Standard hot plug controller. */ |
| #define QEMU_PCI_SHPC_BITNR 5 |
| QEMU_PCI_CAP_SHPC = (1 << QEMU_PCI_SHPC_BITNR), |
| #define QEMU_PCI_SLOTID_BITNR 6 |
| QEMU_PCI_CAP_SLOTID = (1 << QEMU_PCI_SLOTID_BITNR), |
| /* PCI Express capability - Power Controller Present */ |
| #define QEMU_PCIE_SLTCAP_PCP_BITNR 7 |
| QEMU_PCIE_SLTCAP_PCP = (1 << QEMU_PCIE_SLTCAP_PCP_BITNR), |
| /* Link active status in endpoint capability is always set */ |
| #define QEMU_PCIE_LNKSTA_DLLLA_BITNR 8 |
| QEMU_PCIE_LNKSTA_DLLLA = (1 << QEMU_PCIE_LNKSTA_DLLLA_BITNR), |
| #define QEMU_PCIE_EXTCAP_INIT_BITNR 9 |
| QEMU_PCIE_EXTCAP_INIT = (1 << QEMU_PCIE_EXTCAP_INIT_BITNR), |
| }; |
| |
| #define TYPE_PCI_DEVICE "pci-device" |
| #define PCI_DEVICE(obj) \ |
| OBJECT_CHECK(PCIDevice, (obj), TYPE_PCI_DEVICE) |
| #define PCI_DEVICE_CLASS(klass) \ |
| OBJECT_CLASS_CHECK(PCIDeviceClass, (klass), TYPE_PCI_DEVICE) |
| #define PCI_DEVICE_GET_CLASS(obj) \ |
| OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE) |
| |
| /* Implemented by devices that can be plugged on PCI Express buses */ |
| #define INTERFACE_PCIE_DEVICE "pci-express-device" |
| |
| /* Implemented by devices that can be plugged on Conventional PCI buses */ |
| #define INTERFACE_CONVENTIONAL_PCI_DEVICE "conventional-pci-device" |
| |
| typedef struct PCIINTxRoute { |
| enum { |
| PCI_INTX_ENABLED, |
| PCI_INTX_INVERTED, |
| PCI_INTX_DISABLED, |
| } mode; |
| int irq; |
| } PCIINTxRoute; |
| |
| typedef struct PCIDeviceClass { |
| DeviceClass parent_class; |
| |
| void (*realize)(PCIDevice *dev, Error **errp); |
| PCIUnregisterFunc *exit; |
| PCIConfigReadFunc *config_read; |
| PCIConfigWriteFunc *config_write; |
| |
| uint16_t vendor_id; |
| uint16_t device_id; |
| uint8_t revision; |
| uint16_t class_id; |
| uint16_t subsystem_vendor_id; /* only for header type = 0 */ |
| uint16_t subsystem_id; /* only for header type = 0 */ |
| |
| /* |
| * pci-to-pci bridge or normal device. |
| * This doesn't mean pci host switch. |
| * When card bus bridge is supported, this would be enhanced. |
| */ |
| bool is_bridge; |
| |
| /* rom bar */ |
| const char *romfile; |
| } PCIDeviceClass; |
| |
| typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev); |
| typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector, |
| MSIMessage msg); |
| typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector); |
| typedef void (*MSIVectorPollNotifier)(PCIDevice *dev, |
| unsigned int vector_start, |
| unsigned int vector_end); |
| |
| enum PCIReqIDType { |
| PCI_REQ_ID_INVALID = 0, |
| PCI_REQ_ID_BDF, |
| PCI_REQ_ID_SECONDARY_BUS, |
| PCI_REQ_ID_MAX, |
| }; |
| typedef enum PCIReqIDType PCIReqIDType; |
| |
| struct PCIReqIDCache { |
| PCIDevice *dev; |
| PCIReqIDType type; |
| }; |
| typedef struct PCIReqIDCache PCIReqIDCache; |
| |
| struct PCIDevice { |
| DeviceState qdev; |
| bool partially_hotplugged; |
| |
| /* PCI config space */ |
| uint8_t *config; |
| |
| /* Used to enable config checks on load. Note that writable bits are |
| * never checked even if set in cmask. */ |
| uint8_t *cmask; |
| |
| /* Used to implement R/W bytes */ |
| uint8_t *wmask; |
| |
| /* Used to implement RW1C(Write 1 to Clear) bytes */ |
| uint8_t *w1cmask; |
| |
| /* Used to allocate config space for capabilities. */ |
| uint8_t *used; |
| |
| /* the following fields are read only */ |
| int32_t devfn; |
| /* Cached device to fetch requester ID from, to avoid the PCI |
| * tree walking every time we invoke PCI request (e.g., |
| * MSI). For conventional PCI root complex, this field is |
| * meaningless. */ |
| PCIReqIDCache requester_id_cache; |
| char name[64]; |
| PCIIORegion io_regions[PCI_NUM_REGIONS]; |
| AddressSpace bus_master_as; |
| MemoryRegion bus_master_container_region; |
| MemoryRegion bus_master_enable_region; |
| |
| /* do not access the following fields */ |
| PCIConfigReadFunc *config_read; |
| PCIConfigWriteFunc *config_write; |
| |
| /* Legacy PCI VGA regions */ |
| MemoryRegion *vga_regions[QEMU_PCI_VGA_NUM_REGIONS]; |
| bool has_vga; |
| |
| /* Current IRQ levels. Used internally by the generic PCI code. */ |
| uint8_t irq_state; |
| |
| /* Capability bits */ |
| uint32_t cap_present; |
| |
| /* Offset of MSI-X capability in config space */ |
| uint8_t msix_cap; |
| |
| /* MSI-X entries */ |
| int msix_entries_nr; |
| |
| /* Space to store MSIX table & pending bit array */ |
| uint8_t *msix_table; |
| uint8_t *msix_pba; |
| /* MemoryRegion container for msix exclusive BAR setup */ |
| MemoryRegion msix_exclusive_bar; |
| /* Memory Regions for MSIX table and pending bit entries. */ |
| MemoryRegion msix_table_mmio; |
| MemoryRegion msix_pba_mmio; |
| /* Reference-count for entries actually in use by driver. */ |
| unsigned *msix_entry_used; |
| /* MSIX function mask set or MSIX disabled */ |
| bool msix_function_masked; |
| /* Version id needed for VMState */ |
| int32_t version_id; |
| |
| /* Offset of MSI capability in config space */ |
| uint8_t msi_cap; |
| |
| /* PCI Express */ |
| PCIExpressDevice exp; |
| |
| /* SHPC */ |
| SHPCDevice *shpc; |
| |
| /* Location of option rom */ |
| char *romfile; |
| bool has_rom; |
| MemoryRegion rom; |
| uint32_t rom_bar; |
| |
| /* INTx routing notifier */ |
| PCIINTxRoutingNotifier intx_routing_notifier; |
| |
| /* MSI-X notifiers */ |
| MSIVectorUseNotifier msix_vector_use_notifier; |
| MSIVectorReleaseNotifier msix_vector_release_notifier; |
| MSIVectorPollNotifier msix_vector_poll_notifier; |
| |
| /* ID of standby device in net_failover pair */ |
| char *failover_pair_id; |
| }; |
| |
| void pci_register_bar(PCIDevice *pci_dev, int region_num, |
| uint8_t attr, MemoryRegion *memory); |
| void pci_register_vga(PCIDevice *pci_dev, MemoryRegion *mem, |
| MemoryRegion *io_lo, MemoryRegion *io_hi); |
| void pci_unregister_vga(PCIDevice *pci_dev); |
| pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num); |
| |
| int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, |
| uint8_t offset, uint8_t size, |
| Error **errp); |
| |
| void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); |
| |
| uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id); |
| |
| |
| uint32_t pci_default_read_config(PCIDevice *d, |
| uint32_t address, int len); |
| void pci_default_write_config(PCIDevice *d, |
| uint32_t address, uint32_t val, int len); |
| void pci_device_save(PCIDevice *s, QEMUFile *f); |
| int pci_device_load(PCIDevice *s, QEMUFile *f); |
| MemoryRegion *pci_address_space(PCIDevice *dev); |
| MemoryRegion *pci_address_space_io(PCIDevice *dev); |
| |
| /* |
| * Should not normally be used by devices. For use by sPAPR target |
| * where QEMU emulates firmware. |
| */ |
| int pci_bar(PCIDevice *d, int reg); |
| |
| typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level); |
| typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num); |
| typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin); |
| |
| #define TYPE_PCI_BUS "PCI" |
| #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS) |
| #define PCI_BUS_CLASS(klass) OBJECT_CLASS_CHECK(PCIBusClass, (klass), TYPE_PCI_BUS) |
| #define PCI_BUS_GET_CLASS(obj) OBJECT_GET_CLASS(PCIBusClass, (obj), TYPE_PCI_BUS) |
| #define TYPE_PCIE_BUS "PCIE" |
| |
| bool pci_bus_is_express(PCIBus *bus); |
| |
| void pci_root_bus_new_inplace(PCIBus *bus, size_t bus_size, DeviceState *parent, |
| const char *name, |
| MemoryRegion *address_space_mem, |
| MemoryRegion *address_space_io, |
| uint8_t devfn_min, const char *typename); |
| PCIBus *pci_root_bus_new(DeviceState *parent, const char *name, |
| MemoryRegion *address_space_mem, |
| MemoryRegion *address_space_io, |
| uint8_t devfn_min, const char *typename); |
| void pci_root_bus_cleanup(PCIBus *bus); |
| void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, |
| void *irq_opaque, int nirq); |
| void pci_bus_irqs_cleanup(PCIBus *bus); |
| int pci_bus_get_irq_level(PCIBus *bus, int irq_num); |
| /* 0 <= pin <= 3 0 = INTA, 1 = INTB, 2 = INTC, 3 = INTD */ |
| static inline int pci_swizzle(int slot, int pin) |
| { |
| return (slot + pin) % PCI_NUM_PINS; |
| } |
| int pci_swizzle_map_irq_fn(PCIDevice *pci_dev, int pin); |
| PCIBus *pci_register_root_bus(DeviceState *parent, const char *name, |
| pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, |
| void *irq_opaque, |
| MemoryRegion *address_space_mem, |
| MemoryRegion *address_space_io, |
| uint8_t devfn_min, int nirq, |
| const char *typename); |
| void pci_unregister_root_bus(PCIBus *bus); |
| void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn); |
| PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin); |
| bool pci_intx_route_changed(PCIINTxRoute *old, PCIINTxRoute *new); |
| void pci_bus_fire_intx_routing_notifier(PCIBus *bus); |
| void pci_device_set_intx_routing_notifier(PCIDevice *dev, |
| PCIINTxRoutingNotifier notifier); |
| void pci_device_reset(PCIDevice *dev); |
| |
| PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus, |
| const char *default_model, |
| const char *default_devaddr); |
| |
| PCIDevice *pci_vga_init(PCIBus *bus); |
| |
| static inline PCIBus *pci_get_bus(const PCIDevice *dev) |
| { |
| return PCI_BUS(qdev_get_parent_bus(DEVICE(dev))); |
| } |
| int pci_bus_num(PCIBus *s); |
| static inline int pci_dev_bus_num(const PCIDevice *dev) |
| { |
| return pci_bus_num(pci_get_bus(dev)); |
| } |
| |
| int pci_bus_numa_node(PCIBus *bus); |
| void pci_for_each_device(PCIBus *bus, int bus_num, |
| void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque), |
| void *opaque); |
| void pci_for_each_device_reverse(PCIBus *bus, int bus_num, |
| void (*fn)(PCIBus *bus, PCIDevice *d, |
| void *opaque), |
| void *opaque); |
| void pci_for_each_bus_depth_first(PCIBus *bus, |
| void *(*begin)(PCIBus *bus, void *parent_state), |
| void (*end)(PCIBus *bus, void *state), |
| void *parent_state); |
| PCIDevice *pci_get_function_0(PCIDevice *pci_dev); |
| |
| /* Use this wrapper when specific scan order is not required. */ |
| static inline |
| void pci_for_each_bus(PCIBus *bus, |
| void (*fn)(PCIBus *bus, void *opaque), |
| void *opaque) |
| { |
| pci_for_each_bus_depth_first(bus, NULL, fn, opaque); |
| } |
| |
| PCIBus *pci_device_root_bus(const PCIDevice *d); |
| const char *pci_root_bus_path(PCIDevice *dev); |
| PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn); |
| int pci_qdev_find_device(const char *id, PCIDevice **pdev); |
| void pci_bus_get_w64_range(PCIBus *bus, Range *range); |
| |
| void pci_device_deassert_intx(PCIDevice *dev); |
| |
| typedef AddressSpace *(*PCIIOMMUFunc)(PCIBus *, void *, int); |
| |
| AddressSpace *pci_device_iommu_address_space(PCIDevice *dev); |
| void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque); |
| |
| static inline void |
| pci_set_byte(uint8_t *config, uint8_t val) |
| { |
| *config = val; |
| } |
| |
| static inline uint8_t |
| pci_get_byte(const uint8_t *config) |
| { |
| return *config; |
| } |
| |
| static inline void |
| pci_set_word(uint8_t *config, uint16_t val) |
| { |
| stw_le_p(config, val); |
| } |
| |
| static inline uint16_t |
| pci_get_word(const uint8_t *config) |
| { |
| return lduw_le_p(config); |
| } |
| |
| static inline void |
| pci_set_long(uint8_t *config, uint32_t val) |
| { |
| stl_le_p(config, val); |
| } |
| |
| static inline uint32_t |
| pci_get_long(const uint8_t *config) |
| { |
| return ldl_le_p(config); |
| } |
| |
| /* |
| * PCI capabilities and/or their fields |
| * are generally DWORD aligned only so |
| * mechanism used by pci_set/get_quad() |
| * must be tolerant to unaligned pointers |
| * |
| */ |
| static inline void |
| pci_set_quad(uint8_t *config, uint64_t val) |
| { |
| stq_le_p(config, val); |
| } |
| |
| static inline uint64_t |
| pci_get_quad(const uint8_t *config) |
| { |
| return ldq_le_p(config); |
| } |
| |
| static inline void |
| pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val) |
| { |
| pci_set_word(&pci_config[PCI_VENDOR_ID], val); |
| } |
| |
| static inline void |
| pci_config_set_device_id(uint8_t *pci_config, uint16_t val) |
| { |
| pci_set_word(&pci_config[PCI_DEVICE_ID], val); |
| } |
| |
| static inline void |
| pci_config_set_revision(uint8_t *pci_config, uint8_t val) |
| { |
| pci_set_byte(&pci_config[PCI_REVISION_ID], val); |
| } |
| |
| static inline void |
| pci_config_set_class(uint8_t *pci_config, uint16_t val) |
| { |
| pci_set_word(&pci_config[PCI_CLASS_DEVICE], val); |
| } |
| |
| static inline void |
| pci_config_set_prog_interface(uint8_t *pci_config, uint8_t val) |
| { |
| pci_set_byte(&pci_config[PCI_CLASS_PROG], val); |
| } |
| |
| static inline void |
| pci_config_set_interrupt_pin(uint8_t *pci_config, uint8_t val) |
| { |
| pci_set_byte(&pci_config[PCI_INTERRUPT_PIN], val); |
| } |
| |
| /* |
| * helper functions to do bit mask operation on configuration space. |
| * Just to set bit, use test-and-set and discard returned value. |
| * Just to clear bit, use test-and-clear and discard returned value. |
| * NOTE: They aren't atomic. |
| */ |
| static inline uint8_t |
| pci_byte_test_and_clear_mask(uint8_t *config, uint8_t mask) |
| { |
| uint8_t val = pci_get_byte(config); |
| pci_set_byte(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint8_t |
| pci_byte_test_and_set_mask(uint8_t *config, uint8_t mask) |
| { |
| uint8_t val = pci_get_byte(config); |
| pci_set_byte(config, val | mask); |
| return val & mask; |
| } |
| |
| static inline uint16_t |
| pci_word_test_and_clear_mask(uint8_t *config, uint16_t mask) |
| { |
| uint16_t val = pci_get_word(config); |
| pci_set_word(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint16_t |
| pci_word_test_and_set_mask(uint8_t *config, uint16_t mask) |
| { |
| uint16_t val = pci_get_word(config); |
| pci_set_word(config, val | mask); |
| return val & mask; |
| } |
| |
| static inline uint32_t |
| pci_long_test_and_clear_mask(uint8_t *config, uint32_t mask) |
| { |
| uint32_t val = pci_get_long(config); |
| pci_set_long(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint32_t |
| pci_long_test_and_set_mask(uint8_t *config, uint32_t mask) |
| { |
| uint32_t val = pci_get_long(config); |
| pci_set_long(config, val | mask); |
| return val & mask; |
| } |
| |
| static inline uint64_t |
| pci_quad_test_and_clear_mask(uint8_t *config, uint64_t mask) |
| { |
| uint64_t val = pci_get_quad(config); |
| pci_set_quad(config, val & ~mask); |
| return val & mask; |
| } |
| |
| static inline uint64_t |
| pci_quad_test_and_set_mask(uint8_t *config, uint64_t mask) |
| { |
| uint64_t val = pci_get_quad(config); |
| pci_set_quad(config, val | mask); |
| return val & mask; |
| } |
| |
| /* Access a register specified by a mask */ |
| static inline void |
| pci_set_byte_by_mask(uint8_t *config, uint8_t mask, uint8_t reg) |
| { |
| uint8_t val = pci_get_byte(config); |
| uint8_t rval = reg << ctz32(mask); |
| pci_set_byte(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline uint8_t |
| pci_get_byte_by_mask(uint8_t *config, uint8_t mask) |
| { |
| uint8_t val = pci_get_byte(config); |
| return (val & mask) >> ctz32(mask); |
| } |
| |
| static inline void |
| pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg) |
| { |
| uint16_t val = pci_get_word(config); |
| uint16_t rval = reg << ctz32(mask); |
| pci_set_word(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline uint16_t |
| pci_get_word_by_mask(uint8_t *config, uint16_t mask) |
| { |
| uint16_t val = pci_get_word(config); |
| return (val & mask) >> ctz32(mask); |
| } |
| |
| static inline void |
| pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg) |
| { |
| uint32_t val = pci_get_long(config); |
| uint32_t rval = reg << ctz32(mask); |
| pci_set_long(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline uint32_t |
| pci_get_long_by_mask(uint8_t *config, uint32_t mask) |
| { |
| uint32_t val = pci_get_long(config); |
| return (val & mask) >> ctz32(mask); |
| } |
| |
| static inline void |
| pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg) |
| { |
| uint64_t val = pci_get_quad(config); |
| uint64_t rval = reg << ctz32(mask); |
| pci_set_quad(config, (~mask & val) | (mask & rval)); |
| } |
| |
| static inline uint64_t |
| pci_get_quad_by_mask(uint8_t *config, uint64_t mask) |
| { |
| uint64_t val = pci_get_quad(config); |
| return (val & mask) >> ctz32(mask); |
| } |
| |
| PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction, |
| const char *name); |
| PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn, |
| bool multifunction, |
| const char *name); |
| PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name); |
| PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name); |
| |
| void lsi53c8xx_handle_legacy_cmdline(DeviceState *lsi_dev); |
| |
| qemu_irq pci_allocate_irq(PCIDevice *pci_dev); |
| void pci_set_irq(PCIDevice *pci_dev, int level); |
| |
| static inline void pci_irq_assert(PCIDevice *pci_dev) |
| { |
| pci_set_irq(pci_dev, 1); |
| } |
| |
| static inline void pci_irq_deassert(PCIDevice *pci_dev) |
| { |
| pci_set_irq(pci_dev, 0); |
| } |
| |
| /* |
| * FIXME: PCI does not work this way. |
| * All the callers to this method should be fixed. |
| */ |
| static inline void pci_irq_pulse(PCIDevice *pci_dev) |
| { |
| pci_irq_assert(pci_dev); |
| pci_irq_deassert(pci_dev); |
| } |
| |
| static inline int pci_is_express(const PCIDevice *d) |
| { |
| return d->cap_present & QEMU_PCI_CAP_EXPRESS; |
| } |
| |
| static inline int pci_is_express_downstream_port(const PCIDevice *d) |
| { |
| uint8_t type; |
| |
| if (!pci_is_express(d) || !d->exp.exp_cap) { |
| return 0; |
| } |
| |
| type = pcie_cap_get_type(d); |
| |
| return type == PCI_EXP_TYPE_DOWNSTREAM || type == PCI_EXP_TYPE_ROOT_PORT; |
| } |
| |
| static inline uint32_t pci_config_size(const PCIDevice *d) |
| { |
| return pci_is_express(d) ? PCIE_CONFIG_SPACE_SIZE : PCI_CONFIG_SPACE_SIZE; |
| } |
| |
| static inline uint16_t pci_get_bdf(PCIDevice *dev) |
| { |
| return PCI_BUILD_BDF(pci_bus_num(pci_get_bus(dev)), dev->devfn); |
| } |
| |
| uint16_t pci_requester_id(PCIDevice *dev); |
| |
| /* DMA access functions */ |
| static inline AddressSpace *pci_get_address_space(PCIDevice *dev) |
| { |
| return &dev->bus_master_as; |
| } |
| |
| static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, |
| void *buf, dma_addr_t len, DMADirection dir) |
| { |
| dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); |
| return 0; |
| } |
| |
| static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr, |
| void *buf, dma_addr_t len) |
| { |
| return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE); |
| } |
| |
| static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr, |
| const void *buf, dma_addr_t len) |
| { |
| return pci_dma_rw(dev, addr, (void *) buf, len, DMA_DIRECTION_FROM_DEVICE); |
| } |
| |
| #define PCI_DMA_DEFINE_LDST(_l, _s, _bits) \ |
| static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \ |
| dma_addr_t addr) \ |
| { \ |
| return ld##_l##_dma(pci_get_address_space(dev), addr); \ |
| } \ |
| static inline void st##_s##_pci_dma(PCIDevice *dev, \ |
| dma_addr_t addr, uint##_bits##_t val) \ |
| { \ |
| st##_s##_dma(pci_get_address_space(dev), addr, val); \ |
| } |
| |
| PCI_DMA_DEFINE_LDST(ub, b, 8); |
| PCI_DMA_DEFINE_LDST(uw_le, w_le, 16) |
| PCI_DMA_DEFINE_LDST(l_le, l_le, 32); |
| PCI_DMA_DEFINE_LDST(q_le, q_le, 64); |
| PCI_DMA_DEFINE_LDST(uw_be, w_be, 16) |
| PCI_DMA_DEFINE_LDST(l_be, l_be, 32); |
| PCI_DMA_DEFINE_LDST(q_be, q_be, 64); |
| |
| #undef PCI_DMA_DEFINE_LDST |
| |
| static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr, |
| dma_addr_t *plen, DMADirection dir) |
| { |
| void *buf; |
| |
| buf = dma_memory_map(pci_get_address_space(dev), addr, plen, dir); |
| return buf; |
| } |
| |
| static inline void pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len, |
| DMADirection dir, dma_addr_t access_len) |
| { |
| dma_memory_unmap(pci_get_address_space(dev), buffer, len, dir, access_len); |
| } |
| |
| static inline void pci_dma_sglist_init(QEMUSGList *qsg, PCIDevice *dev, |
| int alloc_hint) |
| { |
| qemu_sglist_init(qsg, DEVICE(dev), alloc_hint, pci_get_address_space(dev)); |
| } |
| |
| extern const VMStateDescription vmstate_pci_device; |
| |
| #define VMSTATE_PCI_DEVICE(_field, _state) { \ |
| .name = (stringify(_field)), \ |
| .size = sizeof(PCIDevice), \ |
| .vmsd = &vmstate_pci_device, \ |
| .flags = VMS_STRUCT, \ |
| .offset = vmstate_offset_value(_state, _field, PCIDevice), \ |
| } |
| |
| #define VMSTATE_PCI_DEVICE_POINTER(_field, _state) { \ |
| .name = (stringify(_field)), \ |
| .size = sizeof(PCIDevice), \ |
| .vmsd = &vmstate_pci_device, \ |
| .flags = VMS_STRUCT|VMS_POINTER, \ |
| .offset = vmstate_offset_pointer(_state, _field, PCIDevice), \ |
| } |
| |
| MSIMessage pci_get_msi_message(PCIDevice *dev, int vector); |
| |
| #endif |